The 4L80E is a very large, heavy transmission but, like its original TH-400 cousin, it can absorb and transmit an enormous amount of engine torque. _____ HBM 2016 2SS A8 NPP Pray . With a dry weight of approximately 230 lbs, its also very light considering the complexity. By combining a wide 7.39 overall gear ratio spread, with smaller steps between each gear, this GM 10-speed automatic transmission is able to keep the engine in its ideal power band during acceleration. This is a normal and desired behavior. Sonnax highlights two product lines for helping with heavy solenoids for GM/Ford 10L/10R and 9T series transmissions. The 6L80 was approved for use in these vehicles weighing up to 8600 lbs. Other common 6L80E transmission problems include: Both 2wd and 4wd versions of the 6L80 can be used equally well, and there are no inherent advantages to either one once you have installed our adapter assembly. Also since the transmission is different the gearing and tuning are naturally different. General 10-speed automatic with integral turbine clutch torque converter All I can find is that it is sealed from the rear and just needs a new tail housing but some say its got to be completely rebuilt from the inside. The solenoids can be replaced separately, but only with the same type of solenoid. Tested: 2023 BMW M4 CSL Is a Track Monster. Sixth 1.28 To achieve this flip-flopped damper orientation in the JMBX, the profile and shape of the piston is radically different from the TMBX. Finished in a durable and corrosion-resistant clear anodize. And you are correct the converters in these units are experiencing a high percentage of failure and are more problematic than normal. The 4L80 features a 310 mm torque converter. How quickly time passes by. It is a 5 position shifter, Park, Reverse, Neutral, Drive and Sport Mode. This allows him to see what kinds of issues some of these transmissions come back to the dealer with while under warranty. Shift the transmission to Reverse. Indirectly affects shift control. Required fields are marked *. and the maximum output torque is 664 ft. lbs. You also asked about GMs new 6L80E. The TCI six-speed version has a few special additions to it. Specifications The 6L80 denotes that the transmission is a 6-Speed, Longitudinally mounted, and for 8000 lbs. GM has been useless to say the least, and waited me out (now off warranty). The check engine light might be on, and the customer complains of a slipping sensation with intermittent clunks. Special engine computer programming strategies may be required. In fact the input torque rating is 440 lb. Ninth 0.69 This seems to indicate that there will be other 10L80 transmissions that will be experiencing this same new kind of pump noise condition. Cost and Process, Torque Converter Problems: Symptoms & Replacement Cost, Transmission Solenoid: Symptoms & Replacement Cost, 10 Pro Tips on Buying Used Transmissions For Sale, P0700: Transmission Control System Malfunction (TCM), Pontiac Firebird Transmission Problems & Cost | 4L60E / 4L65, Cadillac SRX Transmission Problems & Cost | 5L40E | 6L50 | 6T70, Ford Crown Victoria Transmission Problems & Cost | 4R75E / 4R75W / 4R70W, Chevy Equinox Transmission Problems & Cost | 6T70 / 6T45 / AW55-50SN, Saturn Aura Transmission Problems & Cost | 6T70 | 6T40 | 4T45E. Since buying the car I have been trying to learn a bit about the auto trans. Unlike the 4L60E and 4L80E, the 6L80 is not always referred to as with the E on the end because its been over 25 years since the last non electronic GM transmission has been in production. Getrag 260 5-speed longitudinal manual made by Getrag. They can then use these unseen components throughout their different product lines and improve their profit margins through the lower shared development costs. While not new to the 6L80, it uses an Input Speed Sensor to monitor input speeds to compare against engine speed and Output Shaft Sensor speed, using this data to adjust shift speeds under instantly detectable conditions. Use it to verify the vehicle has a M30 4L60ENow, if the transmission is out of the vehicle (or if you dont trust a sticker), the 6L80E has an 18 bolt case. The 10R80 transmission is a 10-speed, rear-wheel-drive transmission that is controlled by a PCM or a TCM. Thank you. RATIOS 4.70, 2.99, 2.15, 1.80, 1.52, 1.28, 1.00, .85, .69, .64. And Sonnax doesnt even offer a forged clutch piston for the TMBX there just isnt any demand for one. The 6L80E uses four under drive gears and two overdrive gears. Pre-Owned. If you have your heart set on a six-speed automatic to back your LS, consider TCI's 6X transmission. Newer to the transmission world is its use of direct clutch-to-clutch shifting and the total lack of bands. * DOES NOT INCLUDE A DRIVESHAFT OR CROSSMEMBER. Be aware of your output shaft version before proceeding with any adaptation. Its extremely important to scan all modules for codes and address those codes first! or gross weight of 14,000 lbs. For the 4L60-E TMBX, the pistons are .115" thick, and for the 6L80, 6L90 JMBX, the pistons are significantly thicker at .150". It can also be controlled under DSC, or Driver Shift Control, e.g., "tap shifting". With this in mind, there are (3) major groups of failure management strategies that are used when certain diagnostic trouble codes are present. The 6L80E went mostly into large vehicles with V8 motors. Comparing that to our old TH-400 combo, wed need 5.40:1 rear gear to equal the overall First Gear ratio in the new Corvette. 4L60E (bellhousing pattern - Chevrolet/removable), 4L60E / 4L65E (w/ removable bellhousing) All LS1 Type, 4L80E 1991-Later (bellhousing pattern - Chevrolet), 6L80E 2006-Later (w/ removable bellhousing), 6L90E 2006-Later (w/ removable bellhousing), Splines (output shaft)Pan Bolts (number of), Transmission Fluid Capacity (see also capacity of fluid in the converter here). The 6L80 / 6L90 TEHCM is located inside of the transmission on the 6L80 / 6L90 valve body. Fourth 1.80 Problem Owners may experience an ATF leak coming from under the vehicle. Genuine ICT Billet - Bolts Made in USA!!!! So its no wonder that the new cars accelerate so welltheyve got a ridiculously deep overall First gear ratio and reduced rpm drops between the gear changes. 2. Structurally, the 8L90 is similar to the 8L45, except that it is made to handle more power and torque. $ 158.00 Select options. Even though it has two more gears, creative packaging allows the 10L80 transmission to be no bigger or heavier than an 8L90 or 6L90. Click Get a Free Estimate for an unbeatable price on a replacement remanufactured transmission. 10L80 vs 10L90 Transmissions. 4. As transmission builders know, it can be difficult to determine a root cause when you are looking at a catastrophic failure, with rotating parts crashing into each other. It employs an even deeper First gear ratio of 4.02:1 with tighter gear splits but does not apply an overdrive for subsequent gears. 6L80E Torque Converter Power Raptor Full Size Non-Billet Number 88-6L80-1, now with Billet Cover Option. Within only a year, GM had introduced an even stronger variant of the 6L80; the 6L90, RPO code MYD. I work on other peoples vehicles for a living. While Sonnax makes every effort to ensure the accuracy of technical articles at time of publication, we assume no liability for inaccuracies or for information which may become outdated or obsolete over time. Then to create a new Second gear, the overdrive is engaged 2.97 x 0.75 = 2.23:1. The idea behind this conversion offers multiple overlapping advantages. A used 10L80 is pulled from a wrecked vehicle, so theres no telling what may be wrong with it, or how long it will last. Now, the high-speed CAN network allows a high rate of data sharing between the units to achieve a collaboration between both engine and transmission functions. Members
Fluid Capacity 13 qts, First 4.70 Did they release much info about it on the trucks? Gilbert, Copyright 2006-2020 GEARS Magazine. if the car would be faster with the 6 speed auto vs the 10 speed auto. A horsepower revolution spawned by GM's increasingly powerful Gen. III+ V8 engines and their aggressive platforms such as the Cadillac STSV, XLRV, various trucks and SUV's and the venerable Corvette. We are High Performance Transmission Builders If you are tearing down a new job and cant find any hard part failure that would result in the amount of metal you have in the pan, its just about certain that the inside of the torque converter looks like the disaster area shown in Figure 1. $3,245*. Powerglide (bellhousing pattern - Chevrolet, Fit-all), TH350 (bellhousing pattern - Chevrolet, BOP, Fit-all), TH400 (bellhousing pattern - Chevrolet, BOP), TH200-4R (bellhousing pattern - BOP, Fit-all), TH700-R4 /4L60 (bellhousing pattern - Chevrolet). 6R80E Chevy Transmission Kit ATI has the first true externally controlled, 6-speed transmission package for your Chevrolet powered vehicle! lbs., with a respectable GVW of 15,000 lbs. Read more columns from our Shift Pointers series here. After graduating from Iowa State University with a journalism degree in 1978, he combined his two passions: cars and writing. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Wait 3-5 minutes before driving. - Critical wear areas and vacuum test locations: GM 10L and Ford 10R series. You know where this is going yup, its the converter. If the transmission is in the vehicle you can use the RPO tag in the glove compartment. Then it can upshift to one of its three overdrive gears for maximum fuel economy. In 1987, he assumed the role of editor for Hot Rod magazine before returning to his first love of writing technical stories. It was created to help GM meet ever more demanding CAFE regulations on their vehicles. 2024 Mustang Prices Are Out, Dark Horse Is . Jeff Smith has had a passion for cars since he began working at his grandfather's gas station at the age 10. It all comes down to the extra rigidity and flatness of the surfaces. By reducing the rpm drop between gears, the engine remains within its power band. Did the converter clutch material just wear out, thus allowing the clutch and cover to go metal-on-metal? Retiring Early The Transmission Industry Has Been a Dream Come True, A two-piece valve body with eight solenoids. Torque Converter 260 mm with Electronic Controlled Capacity Clutch (10L80 ECCC) So why does the JMBX converter have this chronic problem? Every modern GM vehicle has one of these sheets in its glove compartment. The question is will the 10L80 be as strong as the 10L90? full. $ 439.00 Select options. Since 2003, Jeff has held various positions at Car Craft (including editor), has written books on small block Chevy performance, and even cultivated an impressive collection of 1965 and 1966 Chevelles. Made of billet aluminum with included swivel -6 AN fittings with 3/8" barbs. 10R80 transmission swap? Customers' pictures and movies from drag racing competitions. I use this vehicle to tow a 20 ft 10k trailer that I use to carry a 5500lb tractor. However, it is a long transmission and is not compatible with short-wheelbase Jeeps such as the CJ5. If the warmer is not mounted to the transmission, refer to factory information to locate it. For a type B code, the fault must be present after two consecutive ignition cycles, otherwise, the MIL will not illuminate (however, a pending code will store). TRU-STREET 10L90E TRANSMISSION W/ 1800 STALL LOCK UP CONVERTER. Just keep scanning it until you find the one you are looking for. The 6L80 was, from the ground up, developed as an electric over hydraulic transmission with microprocessor control. Now it has RPM Level 6 but if a 6L80E or 6L90E swap was introduced or even the 8 and 10 transmissions it would be a game changer. Beginning with the F-150, it then made its way into the Mustang and the Expedition (as well as the Everest, and upcoming Ranger reboot). The replacement solenoid band number must match the band number of the solenoid being replaced. In fact, the only 2017 model year vehicle that still comes with this transmission is the Chevrolet SS. Sometimes, finding the cause of a complaint isnt as straightforward as one would expect; sometimes, these causes can be very elusive. It is now on week number 7 at the dealer for warranty and the GM engineers are running that show only allowing the dealer to replace what they deem necessary. GM LS1 - LS9 / Chrysler Gen III and Viper V10, Conversion. The overall First gear ratio is 2.48 x 4.10 = 10.17:1. ** Currently 10L80 units are 2017+ so are dealer-only or salvage yard only. In 2006, GM superceded Dexron III as the recommended fill with Dexron VI, which is backwards compatible with the earlier versions. The traditional small-block six-bolt bellhousing pattern is the best and easiest way to identify a 4L60E style transmission if you find one at the swap meet for sale. It employs an even deeper First gear ratio of 4.02:1 with tighter gear splits but does not apply an overdrive for subsequent gears. Case 1 piece aluminum with integrated bell housing The transmission is automatically shifted featuring performance algorithms to minimize upshifts during closed throttle driving to prevent unnecessary shifting. Now controlled by computers, the E series transmission allowed for a wide range of tuning options. - Scope testing the Ford 10R80. Bolt and gasket inlcuded. The button for Tap control is on the top of the shifter, making it easy to use in both left and right hand drive vehicles. Engine speed: Directly affects shift scheduling, Torque Converter Clutch (TCC) control, line pressure, and transmission diagnostics. A JMBX torque converter rebuilt with a Sonnax forged cover and piston has proven to be a successful recipe for a long-lasting unit, preventing this typical pattern failure. None of the clutch packs can engage, and there is no fail-safe operation. The 6L80 (and similar 6L90) is a six-speed automatic transmission built by General Motors at its Willow Run Transmission plant in Ypsilanti, MI.It was introduced in late 2005, and is very similar in design to the smaller 6L45/6L50, produced at GM Powertrain in Strasbourg, France.It features clutch to clutch shifting, eliminating the one-way clutches used on older transmission designs. The 10-speed first appeared in the 2017 Camaro ZL1 backing up the 650-horsepower, supercharged 6.2L engine. Muncie M20 4-speed longitudinal wide ratio manual transmission made by GM at their Muncie, Indiana factory. and it can handle a total gross vehicle weight of 8,600 lb, which makes it a great transmission for LS swaps with no modification needed whatsoever. You are browsing camaro6. While converter failures are not uncommon with other transmission families, you are thinking that this is really becoming a pattern for the 6L80, 6L90. Wait 2 seconds. Team ATF builder Super Dave doing his magic on assembling the First 10L80 transmission ATFSpeed has had come thru the shop. Related Articles Dana offers Spicer end yokes for Allison Transmissions ATI introduces six-speed Chevy transmission performance package Georend Transmission adds Ford 6R140 transmission pan kit. But the replacement of this assembly requires new bolts. Reverse 4.87. The 6L90 transmission is slightly longer and taller than a comparable configuration 6L80 due to its beefier internals. Unlike previous shift solenoids, they are mechanical in nature in that no transmission fluid passes through them (Figure 2). Automatic Options - 4L60 and 4L60E. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Mazda 6 P0320: Meaning, Causes, & Diagnosis. With 10 forward gears to choose from, the 10L80 transmission is able to reduce the fuel consumption of a high horsepower engine. Diagnosis and correction of a max line pressure condition may become, With Hondas 10-speed front wheel drive transmission (see Figure 1, above) going into its fifth year on the roads, its feasible that one may show up in your shop for service. There are too many differences between in communication protocols and renders the transmission nonfunctional. But, GM had been in transmission limbo, so to speak, needing a modern transmission to fill the duty gap between the excellently versatile4L60E (and its tougher 4L65 & 4L70 variants)and the Allison transmissions. Shift the transmission to Drive. and can weigh up to ~230 lbs. Your email address will not be published. Fifth 1.52 RPO Code MF6 At this point, the converter rebuilder is faced with either finding another core that he hopes will have good components or purchasing a Sonnax forged cover GM-CC-13 and forged piston GM-DA-17P. It's a longitudinal transmission (that's what the L in 6 L 80E stands for). Mine did it on flat ground only it downshifted four or more gears with a loud bang then jumped back up to tenth with the same bang. 2020 10l80 4wd an I one to convert to 2wd. 2nazty New Member. Beyond that, its probably not a good idea even if it will allow lockup because that clutch surface area is limited. However some 2wd vans and HD truck versions had a36 spline. After a prolonged drive time, DTC P0752 Pressure Control Solenoid A Stuck On. Would love your thoughts, please comment. Thats right, you can find a variation of this Ford GM 10-speed automatic transmission in the Ford Mustang GT and the Chevrolet Camaro ZL1! 10L80 Performance Rebuild. The Sonnax forged covers and pistons are designed to be flat and will stay that way through the forces of converter welding, miles of driving and varying input torque from the engine. The 6L50, 6L80, 6L90, 8L45, 8L90, 10L60, 10L80, & 10L90 transmissions from MY2015 to current are filled through a port in the bottom of the oil pan. The torque converter is a fluid turbine drive and - like those on its predecessor transmissions, the TH350C, 700R4, 4L60, and 4L80E - features a lock-up pressure plate for direct mechanically coupled driving from the engine crank. Note: The mounting pad is usually a part of the extension housing, but the graphic shows it on the maine case. DESIGNED FOR GEN V LT1 & LT4 ONLY. * EXCELLENT FOR VEHICLES THAT ARE EQUIPPED WITH ENGINES PRODUCING UP TO 650 FT LBS OF TORQUE. Hi, im doing a swap from Yukon 2019 to 1987 Regal. But it does take a bit of experience to not damage anything on the valve body or inside the . Related Articles Diagnosing Chrysler transmission max line pressure and P0933, P0869, P1745 codes How to service the Honda 10-speed transmission Solving, This article applies to Chrysler RFE, RLE and TES transmissions that utilize pressure control solenoids (PCS) for line pressure control. In 2018 and later models with the transmission warmer mounted to the transmission, there can be a concern with coolant leaking under the vehicle. Please help>> I have a 2013 GMC yukon. After a prolonged drive time, DTC P0752 Pressure Control Solenoid A - Stuck On and P0973 Pressure Control Solenoid A - Circuit Low also set. TCRA Annual Seminar Coming to Charlotte this April! Gm hydro 10 speed. Knowledge is power use it to protect your customer, your unit and yourself for miles and miles to come. Stock capacity . *$3,245 does not include any Hard Part damage, Torque Converter or TCM/ECM tuning. To handle the increased output torque capacity, the 6L90 departed from the long-standing GM 32 spline specification output shaft of the 6L80 and went to larger diameter 29 spline for most truck applications. Given the complexity of the TCM control strategy, the engineers made every effort to allow for partial operation of the unit under most failure conditions. As the 10 speeds continue to make their way into our shops, keep in mind the more you know about them, the better off youll be. For the most part, this transmission has been phased out by the 8L90E already, but is still in prodution. Theres also a unique internal thermal bypass that allows the transmission to warm up faster, reducing fuel consumption on cold starts. This took the dealership a much longer period of time in acquiring these bolts for Brian to complete the job. Always inspect the sump for possible evidence of debris that could indicate the pump drive gears could be failing. LT). Recently, they received a 2021 GMC Yukon with a very unusual sound coming from the front of its 10L80 transmission. Become a 6L80-E and 6L90-E expert now! This wavy nature of the clutch surface is made worse with many miles of usage. check the starter bendix and see if its loose and bouncing off the flywheel. About 80% of issues are cured by updating the programming. CDT 10L80 Bench Rebuild. Application RWD & 4WD / AWD The idler gear is what drives the pumps driven gear. But in order to make this work properly, they began by making the overall First gear ratio deeper. The case is a cast aluminum alloy. It appears that GM has put a very minor taper into the cover and possibly the piston as well. But the cause he discovered was related to the pump. But once he had the parts and the job was complete, the noise issue was resolved, confirming the cause to be the idler gear spinning around the ball bearings outer race. Trans temps climbed to 195 and has stayed there ever since. Note, some customers may complain of a converter type whine noise coming from the transmission. Hi Jeff, I have a 2016 Silverado with the 5.3 and the 8 speed transmission. You might run into a lack of valve body repair options. Accelerate from a stop with light throttle (15%), ensuring that upshifts 1st through 8th occur at engine speeds between 1300-1600 rpm. Quick 6 Clutch-to-Clutch Transmission Control System Our top-of-the-line controller for 6R80 transmissions. Related Articles ATI introduces new e-clutch hub for ZF8HP51 Sonnax adds new stator support bushing for Ford 6F35 Alto adds to intermediate clutch PowerPack line for GM transmissions According to Sonnax, the heavy OE LFS, GFX announced a new pump component for GM Powerglide models, covering several vintage model years: 1950 through 1973. 1) Centerline of engine and transmission are the same on LS block and all trans that mount to it. As with earlier Hydramatics, the 6L80 will accept either the 258mm or 300mm torque converters. All Rights Reserved. So the service life is limited, and the warranty will only last 1-2 years. to 885 ft. In doing this, we evaluated another GM unit the 4L60-E TMBX to see if we could pick up any clues. I also have a 2wd 2006 Trailblazer SS with a forged 416ci stroked LS3 which makes around 600 hp or so with a Yank SS3600 stall converter. Lots of good information I do have one question That no one seems to be able to give a good answer to. Lets talk about some of the concerns and fixes we have been seeing. The 6L80 is a robust transmission and can handle a ton of power. Recommended fluid is Dexron VI and it typically accepts a 10 quart thru 12.6 quart fill depending on its application. Most of us have either seen or heard of the new 10-speed transmission Ford is offing behind the 2.3L EcoBoost, 2.7L V6, 3.5L EcoBoost, 5.0L gas, and 3.0L Power Stroke Diesel engines. 8L80E A second electric 10L80 pump maintains fluid pressure when the stop/start function activates. If concerns are still present, it may be necessary to service or replace the valve body assembly (Figure 6). The 10R80 doesn't have a traditional "front" pump. This version is 1-3/8" longer and about 25% of its internal parts differ. I have a 2012 Corvette Grand Sport Auto trans. Page 2 August, 2019 Bulletin No. Can I assume my car has the General Motors GL80 with the 4.02 first gear? Its a little tough to see, but the thickness of the pistons is also different. Copyright 2023 - Transmission Repair Cost Guide. They dealership gave Brian their opinion of what was making the noise. Both covers have very similar profiles and thicknesses, and you would not expect that one would be any more prone to flex or distortion than the other. It is an incredibly advanced transmission and has the technology to . GM states, ". Click Here to Email our Sales & Tech Staff 888-748-4655 Local: 330-965-7146 International: 001-330-652-5855 Mon-Fri 8am-5pm EST Sat-Sun: Closed For both types A and B, a freeze-frame record will be stored in memory if the MIL illuminates. All rights reserved. The new 2019 Camaro gets the a10 but, Its not the a10 (10L90) from the ZL1. The readers on this site are a pretty sharp bunch. It's meant to be used with rear-wheel drive and it requires 8.4 quarts of fluid. How do Sonnax components prevent the failure that plagues these units? The thicker JMBX piston cant conform to the cover (like it can in the 4L60-E TMBX), and at a commanded slip rate of approximately 50 RPMs in lockup, there is ultimately metal-to-metal contact that occurs between the front cover and the piston. The OE cover and piston are damaged to the point of not being reusable this is where all of the metal you find in the transmission comes from! What is most welcome about it is that it is a very durable, functional and impressive transmission assembly and appears to have a terrific prospect with GM and the aftermarket community. In fact, there are absolutely no cast-iron components, including the 10L80 stator support. * An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4" tail) or TH200-4R transmission. This suggests that the idler gear and ball bearing assembly has a tight interference fit to the stator shaft support housing. I have a 700 R4 trani with a dash mounted after market switch to engage or disengage my lock up.The trani has a 2500 stall & is behind a old school 383 stroker engine with 388 hp at the motor with a 3.73 Rr gear. However some 2wd vans and HD truck versions had a, J Series Trucks & Wagons, (I6 With REVolution, your transmission becomes an integral, critical part of your combination, allowing you to maximize its performance using either the Quick 6, Quick 4, or Quick 2 controller. Upon a test drive and a scan, code P0741 is noted and the percentage of TCC slip shows to be way out of range. Do you know does the aftermarket have a fix? So my suggestion is to not subject the lockup to that amount of abuse. Most full-size trucks and SUVs with a 6L80, 6L90 use a JMBX full-size (300mm) style converter. Change Your Address, Yes, I would like to receive emails from Gears Magazine. So you would need to begin with a 2008 or newer Express to be able to convert from a 4L80 to a 6L80 / 6L90. But look at the clutch pistons and spring dampers they are markedly different. The 6L80 is a modular transmission, featuring removable bellhousings and tailhousings for interchangeability with the GM 90 Degree engines and other potential engines in the future. Most of the larger displacement applications will have an auxiliary oil-to-air cooler in the system as well. I believe the last digits of the model number are the power rating capabilities of the transmission. During the inspection of the transmission, Brain noticed that the idler gear could be easily lifted off of the bearing with just the use of his fingers (see figures 2 and 3). Fluid pressure is maintained by an off-axis main pump that can vary the displacement depending on the load. Looking at the two different front covers from the OUTSIDE, they are very similar, with just a few minor differences (Figure 2). The factory clutch apply piston has a sharp, square edge that does not completely apply force across the entire clutch piston. Running 12.60s at 111 is a fun ride! Beginning in 2010, all 2500 and 3500 Express / Savana with a 4.8L or 6.0L engine used the 6L90 transmission. Some Tahoe and Yukon HD 6.0L, not hybrid, may also have this transmission but most have 6L80 or a 10 speed 10L80. only) '72-'79, Small Block V8, Gen. If you have any questions that I may be able to help you with, drop a comment or contact me. Looking for parts number : new shaft, copling et seal and where to find them. Im thinking 3.73. The solenoids are calibrated from the factory and are not all the same. That is just the beginning. As the transmission approaches normal operating temperature, reverse movement is non-existent. Internally they are very different but at least with the 8l90 you do not need to completely disassemble the transmission to convert to 4wd from 2wd. I would be willing to get it rebuilt, but want it to function like it should (not back to the way it came from GM). Exceptional torque rating. Nov 26 . Drivability concerns are confirmed, and the pan is chock full of debris. LS 3 has a Big Turbo on it, I am only worried about rear gear, rest I have help with, Car never went over 130 or it red lined with Big Block, Never was a highway car, It has a 373 or a 323 in it, Not a 411 I know that much, Thats all, Im building a gen one Camaro and Ive purchased lt4 supercharged motor for it I was wanting to know if you know the difference in size for 10 speed transmission to a turbo 400 I need to know how much to raise my floor pan at tunnel and about how much fire wall to cut out.
